Income Taxes (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended
	Jan. 01, 2011	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Effective income tax rate		29.00%	28.80%	28.20%
Tax benefit for change in United Kingdom statutory tax rate		$ 7,000,000
Accumulated foreign earnings considered permanently reinvested		1,700,000,000
Deferred taxes related to remaining unremitted foreign earnings	57,000,000	25,000,000	57,000,000
Unremitted foreign earnings		325,000,000
Increased or reduced certain liabilities for uncertain tax positions	13,000,000		(42,000,000)
Reversal of valuation allowance against U.S. foreign tax credits		(4.20%)	(4.10%)	(4.20%)
Tax benefits of carryforwards	60,000,000	41,000,000	60,000,000
Valuation allowances	35,000,000	38,000,000	35,000,000
Expiration of tax credit carryforwards, 2014		4,000,000
Expiration of tax credit carryforwards, 2015		2,000,000
Expiration of tax credit carryforwards, 2016		4,000,000
Decrease in deferred tax liability for unremitted foreign earnings		(32,000,000)
Cash paid for income taxes		271,000,000	409,000,000	409,000,000
Percentage of provision for U.S. Federal income taxes to consolidated income tax provision		70.00%
Unrecognized tax benefits classified as a current liability		15,000,000
Projected additions to unrecognized tax benefits related primarily to ongoing intercompany transfer pricing activity		7,000,000
Unrecognized tax benefits that would affect the Company's effective tax rate in future periods		49,000,000
Reduction or increase in tax-related interest and penalties		(3,000,000)	2,000,000	(1,000,000)
Accrued tax-related interest and penalties	26,000,000	16,000,000	26,000,000	25,000,000
Attributable To Tax Benefit Recorded In Current Year [Member]
Decrease in deferred tax liability for unremitted foreign earnings		(24,000,000)
Remeasurement For Foreign Currency Changes [Member]
Decrease in deferred tax liability for unremitted foreign earnings		$ (8,000,000)